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Weather in Truro for September 2025

Your guide to Truro weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Truro has been nearly identical to the historical average, with a temperature of 17 °C (showing only a slight deviation of 0 °C).

  • Expect cooler weather in the next days in Truro with the forecast suggesting a temperature of 15.9 °C, lower than the historical average.

  • In general, the average temperature in Truro at the beginning of September is 18.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15 °C by the end of September.

    • Rain 🌧️

  • Truro in September brings notable rainfall, with an average of 16 rainy days and a total precipitation of 106 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
14
Dry days
Average rainy days
16
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/11°
Temperatures
Average wind speed
24 km/h
Avg max wind
Average humidity
80 %
Avg humidity

Truro Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Patchy rain possible
20°
2
Patchy rain possible
19°
3
Partly cloudy
18°
4
Patchy rain possible
17°
5
Moderate or heavy rain shower
17°
6
Heavy rain at times
18°
7
Moderate rain at times
18°
8
Moderate or heavy rain shower
17°
9
Cloudy
16°
10
Heavy rain at times
17°
11
Patchy rain possible
15°
12
Patchy rain possible
14°
13
Patchy rain possible
15°
14
Sunny
17°
15
Partly cloudy
17°
16
Patchy rain possible
16°
17
Patchy rain possible
17°
18
Partly cloudy
20°
19
Patchy rain possible
20°
20
Patchy rain possible
17°
21
Patchy rain possible
13°
22
Patchy rain possible
14°
23
Patchy rain possible
15°
24
Partly cloudy
15°
25
Sunny
15°
26
Sunny
16°
27
Overcast
15°
28
Moderate rain
13°
29
Patchy rain possible
16°
30
Patchy rain possible
15°

Temperatures trend during September in Truro

See the weather trend as well as the moving average line

September weather in Truro day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Patchy rain possible
Patchy rain possible
 20° /13° 4.1 mm 5
2 Sept. Patchy rain possible
Patchy rain possible
 19° /13° 11.4 mm 4
3 Sept. Partly cloudy
Partly cloudy
 18° /13° 4.1 mm 5
4 Sept. Patchy rain possible
Patchy rain possible
 17° /11° 6.3 mm 4
5 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 17° /10° 7.5 mm 4
6 Sept. Heavy rain at times
Heavy rain at times
 18° /13° 2.5 mm 4
7 Sept. Moderate rain at times
Moderate rain at times
 18° /11° 4.1 mm 4
8 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 17° /12° 10.5 mm 4
9 Sept. Cloudy
Cloudy
 16° /11° 9.7 mm 4
10 Sept. Heavy rain at times
Heavy rain at times
 17° /12° 3.5 mm 4
11 Sept. Patchy rain possible
Patchy rain possible
 15° /11° 1.7 mm 4
12 Sept. Patchy rain possible
Patchy rain possible
 14° /9° 3.8 mm 4
13 Sept. Patchy rain possible
Patchy rain possible
 15° /8° 2.9 mm 4
14 Sept. Sunny
Sunny
 17° /8° 2.7 mm 5
15 Sept. Partly cloudy
Partly cloudy
 17° /11° 0.5 mm 5
16 Sept. Patchy rain possible
Patchy rain possible
 16° /13° 1.1 mm 0.8
17 Sept. Patchy rain possible
Patchy rain possible
 17° /14° 1 mm 0.5
18 Sept. Partly cloudy
Partly cloudy
 20° /15° 0 mm 1
19 Sept. Patchy rain possible
Patchy rain possible
 20° /14° 0.2 mm 0.9
20 Sept. Patchy rain possible
Patchy rain possible
 17° /11° 0.6 mm 0.6
21 Sept. Patchy rain possible
Patchy rain possible
 13° /11° 2.6 mm 3
22 Sept. Patchy rain possible
Patchy rain possible
 14° /9° 0.1 mm 3
23 Sept. Patchy rain possible
Patchy rain possible
 15° /8° 0.1 mm 3
24 Sept. Partly cloudy
Partly cloudy
 15° /9° 0.1 mm 4
25 Sept. Sunny
Sunny
 15° /7° 0 mm 4
26 Sept. Sunny
Sunny
 16° /9° 0 mm 4
27 Sept. Overcast
Overcast
 15° /9° 0 mm 3
28 Sept. Moderate rain
Moderate rain
 13° /10° 6 mm 3
29 Sept. Patchy rain possible
Patchy rain possible
 16° /11° 0.2 mm 3
30 Sept. Patchy rain possible
Patchy rain possible
 15° /12° 1 mm 4
Next
Important Notice
Our weather forecast for Truro in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Truro forecast closer to your planned date for the most up-to-date weather information.
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Truro in September - FAQ

What are the expected maximum and minimum temperatures in Truro during September?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Truro during September?
Significant rainfall exceeding 106 mm is expected in Truro during September, occurring over more than 16 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Truro during September?
The average wind speed in Truro during September is 24 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Truro

Explore the daily rainfall trends and prepare for Truros September weather 💧

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Location coordinates Where is Truro?

Get accurate weather forecasts for Truro, located at latitude 50.265 and longitude -5.054. Stay updated with localized weather information tailored for Truro.

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